microplethysmography

microplethysmography in Medicine

microplethysmography mi·cro·pleth·ys·mog·ra·phy (mī'krō-plěth'ĭz-mŏg'rə-fē)n. The technique of measuring and recording minute changes in the size of a limb or organ as a result of the volume of blood flowing into and out of it.